31148930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 61407720

約数和(自身を除く): 30258790

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 109, 170, 205, 218, 410, 545, 697, 1090, 1394, 1681, 1853, 3362, 3485, 3706, 4469, 6970, 8405, 8938, 9265, 16810, 18530, 22345, 28577, 44690, 57154, 75973, 142885, 151946, 183229, 285770, 366458, 379865, 759730, 916145, 1832290, 3114893, 6229786, 15574465, 31148930]

約数ペア:

[(1, 31148930), (2, 15574465), (5, 6229786), (10, 3114893), (17, 1832290), (34, 916145), (41, 759730), (82, 379865), (85, 366458), (109, 285770), (170, 183229), (205, 151946), (218, 142885), (410, 75973), (545, 57154), (697, 44690), (1090, 28577), (1394, 22345), (1681, 18530), (1853, 16810), (3362, 9265), (3485, 8938), (3706, 8405), (4469, 6970)]